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3 years ago

I have 35$. If that

Mathematics

1 answer:

Artemon [7]3 years ago

3 0

Answer:

I believe you will have $245

Correct me if I am wrong.

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Please help!❤️ 9/4y-2=25 Please solve and show work!!

STatiana [176]

9/4y-2=25
9/4y-2+2=27+2
9/4y=27
9/4y*4y=27*4y
9=4y*27,
1/3=4y, (9/27 simpltfies to 1/3, 1/3 divided by 4: 1/3*1/4=1/12)
1/12=y

Answer:y=1/12

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3 years ago

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What is -1/2 times 1/4-3/8?

pav-90 [236]

Answer:

The answer is -0.5

Step-by-step explanation:

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2 years ago

Plas answer this I need it today

liberstina [14]

Answer:

Step-by-step explanation:

17 : Both

9.5 : Rational

7/5 : Rational

3 1/2: Rational

29: Both

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2 years ago

What is the lowest value of the range of the function shown on the graph? 0 3

erik [133]

Answer:

-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 1:2

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2 years ago

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Cos (90-theta) • cosec90-theta) =tano. How?

denis-greek [22]

Answer:

______________________________________________________

TRIGONOMETRY IDENTITIES TO BE USED IN THE QUESTION :-

For any right angled triangle with one angle α ,

$\cos (90 - \alpha ) = \sin \alpha$ or $\sin(90 - \alpha ) = \cos\alpha$

$cosec \: (90 - \alpha ) = \sec\alpha$ or $\sec(90 - \alpha ) = cosec\:\alpha$

SOME GENERAL TRIGNOMETRIC FORMULAS :-

$\sin \alpha = \frac{1}{cosec \: \alpha }$ or $cosec \: \alpha = \frac{1}{\sin \alpha }$

$\cos \alpha = \frac{1}{\sec \alpha }$ or $\sec \alpha = \frac{1}{\cos \alpha }$

______________________________________________________

Now , lets come to the question.

In a right angled triangle , let one angle be α (in place of theta) .

So , lets solve L.H.S.

$\cos (90 - \alpha ) \times cosec(90 - \alpha )$

$=> sin\alpha \times \sec\alpha$

$=> \sin\alpha \times \frac{1}{\cos\alpha }$

$=> \frac{\sin\alpha }{\cos\alpha }$

$=> \tan\alpha$ = R.H.S.

∴ L.H.S. = R.H.S. (Proved)

3 0

2 years ago